Merge pull request #162 from mingnus/main-thin-debug
[dbg] Enhance debugging tools
This commit is contained in:
Joe Thornber
GitHub
commit
78c93ce09b
10
Makefile.in
10
Makefile.in
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@ -126,11 +126,17 @@ TOOLS_SOURCE=\
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thin-provisioning/thin_trim.cc
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DEVTOOLS_SOURCE=\
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base/command_interpreter.cc \
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base/output_formatter.cc \
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caching/cache_debug.cc \
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caching/devel_commands.cc \
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dbg-lib/bitset_block_dumper.cc \
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dbg-lib/command_interpreter.cc \
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dbg-lib/commands.cc \
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dbg-lib/index_block_dumper.cc \
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dbg-lib/output_formatter.cc \
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dbg-lib/simple_show_traits.cc \
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dbg-lib/sm_show_traits.cc \
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era/devel_commands.cc \
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era/era_debug.cc \
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thin-provisioning/damage_generator.cc \
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thin-provisioning/devel_commands.cc \
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thin-provisioning/thin_debug.cc \
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@ -21,11 +21,15 @@
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#include <iostream>
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#include <string>
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#include "base/command_interpreter.h"
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#include "base/output_formatter.h"
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#include "dbg-lib/array_block_dumper.h"
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#include "dbg-lib/btree_node_dumper.h"
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#include "dbg-lib/bitset_block_dumper.h"
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#include "dbg-lib/command_interpreter.h"
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#include "dbg-lib/commands.h"
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#include "dbg-lib/index_block_dumper.h"
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#include "dbg-lib/output_formatter.h"
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#include "dbg-lib/sm_show_traits.h"
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#include "persistent-data/file_utils.h"
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#include "persistent-data/data-structures/btree.h"
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#include "persistent-data/data-structures/simple_traits.h"
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#include "persistent-data/space-maps/disk_structures.h"
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#include "caching/commands.h"
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#include "caching/metadata.h"
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@ -39,59 +43,35 @@ using namespace caching;
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//----------------------------------------------------------------
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namespace {
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class hello : public dbg::command {
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virtual void exec(strings const &args, ostream &out) {
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out << "Hello, world!" << endl;
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}
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};
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class help : public dbg::command {
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virtual void exec(strings const &args, ostream &out) {
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out << "Commands:" << endl
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<< " superblock" << endl
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<< " mapping_node <block# of tree node for mappings>" << endl
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<< " mapping_array <block# of array block for mappings>" << endl
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<< " superblock [block#]" << endl
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<< " block_node <block# of array block-tree node>" << endl
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<< " bitset_block <block# of bitset block>" << endl
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<< " index_block <block# of metadata space map root>" << endl
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<< " mapping_block <block# of mappings array block>" << endl
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<< " exit" << endl;
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}
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};
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class exit_handler : public dbg::command {
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public:
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exit_handler(command_interpreter::ptr interpreter)
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: interpreter_(interpreter) {
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}
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virtual void exec(strings const &args, ostream &out) {
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out << "Goodbye!" << endl;
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interpreter_->exit_main_loop();
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}
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command_interpreter::ptr interpreter_;
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};
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class sm_root_show_traits : public persistent_data::sm_disk_detail::sm_root_traits {
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public:
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static void show(formatter::ptr f, string const &key,
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persistent_data::sm_disk_detail::sm_root const &value) {
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field(*f, "nr_blocks", value.nr_blocks_);
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field(*f, "nr_allocated", value.nr_allocated_);
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field(*f, "bitmap_root", value.bitmap_root_);
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field(*f, "ref_count_root", value.ref_count_root_);
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}
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};
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class show_superblock : public dbg::command {
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public:
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explicit show_superblock(metadata::ptr md)
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: md_(md) {
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explicit show_superblock(block_manager::ptr bm)
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: bm_(bm) {
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}
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virtual void exec(strings const &args, ostream &out) {
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if (args.size() > 2)
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throw runtime_error("incorrect number of arguments");
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block_address b = caching::SUPERBLOCK_LOCATION;
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if (args.size() == 2)
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b = boost::lexical_cast<block_address>(args[1]);
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caching::superblock sb = read_superblock(bm_, b);
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formatter::ptr f = create_xml_formatter();
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ostringstream version;
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superblock const &sb = md_->sb_;
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field(*f, "csum", sb.csum);
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field(*f, "flags", sb.flags.encode());
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field(*f, "blocknr", sb.blocknr);
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@ -137,139 +117,59 @@ namespace {
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}
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private:
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metadata::ptr md_;
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};
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class uint64_show_traits : public uint64_traits {
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public:
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static void show(formatter::ptr f, string const &key, uint64_t const &value) {
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field(*f, key, boost::lexical_cast<string>(value));
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}
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};
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// FIXME: Expose the array ValueTraits parameter or not?
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// Since the block_traits isn't related to the ValueTraits.
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class block_show_traits : public persistent_data::array<caching::mapping_traits>::block_traits {
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public:
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static void show(formatter::ptr f, string const &key, block_address const &value) {
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field(*f, "block", value);
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}
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block_manager::ptr bm_;
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};
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class mapping_show_traits : public caching::mapping_traits {
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public:
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typedef mapping_traits value_trait;
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static void show(formatter::ptr f, string const &key, caching::mapping const &value) {
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field(*f, "oblock", value.oblock_);
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field(*f, "flags", value.flags_);
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}
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};
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template <typename ValueTraits>
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class show_btree_node : public dbg::command {
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public:
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explicit show_btree_node(metadata::ptr md)
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: md_(md) {
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}
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virtual void exec(strings const &args, ostream &out) {
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using namespace persistent_data::btree_detail;
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if (args.size() != 2)
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throw runtime_error("incorrect number of arguments");
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block_address block = boost::lexical_cast<block_address>(args[1]);
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block_manager::read_ref rr = md_->tm_->read_lock(block);
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node_ref<uint64_show_traits> n = btree_detail::to_node<uint64_show_traits>(rr);
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if (n.get_type() == INTERNAL)
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show_node<uint64_show_traits>(n, out);
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else {
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node_ref<ValueTraits> n = btree_detail::to_node<ValueTraits>(rr);
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show_node<ValueTraits>(n, out);
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}
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}
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private:
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template <typename VT>
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void show_node(node_ref<VT> n, ostream &out) {
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formatter::ptr f = create_xml_formatter();
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field(*f, "csum", n.get_checksum());
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field(*f, "blocknr", n.get_location());
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field(*f, "type", n.get_type() == INTERNAL ? "internal" : "leaf");
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field(*f, "nr_entries", n.get_nr_entries());
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field(*f, "max_entries", n.get_max_entries());
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field(*f, "value_size", n.get_value_size());
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for (unsigned i = 0; i < n.get_nr_entries(); i++) {
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formatter::ptr f2 = create_xml_formatter();
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field(*f2, "key", n.key_at(i));
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VT::show(f2, "value", n.value_at(i));
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f->child("child", f2);
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}
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f->output(out, 0);
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}
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metadata::ptr md_;
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};
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template <typename ValueTraits>
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class show_array_block : public dbg::command {
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typedef array_block<ValueTraits, block_manager::read_ref> rblock;
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public:
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explicit show_array_block(metadata::ptr md)
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: md_(md) {
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}
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virtual void exec(strings const& args, ostream &out) {
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if (args.size() != 2)
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throw runtime_error("incorrect number of arguments");
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block_address block = boost::lexical_cast<block_address>(args[1]);
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block_manager::read_ref rr = md_->tm_->read_lock(block);
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rblock b(rr, typename ValueTraits::ref_counter());
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show_array_entries(b, out);
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}
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private:
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void show_array_entries(rblock const& b, ostream &out) {
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formatter::ptr f = create_xml_formatter();
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uint32_t nr_entries = b.nr_entries();
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field(*f, "max_entries", b.max_entries());
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field(*f, "nr_entries", nr_entries);
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field(*f, "value_size", b.value_size());
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for (unsigned i = 0; i < nr_entries; i++) {
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formatter::ptr f2 = create_xml_formatter();
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field(*f2, "index", i);
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ValueTraits::show(f2, "value", b.get(i));
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f->child("child", f2);
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}
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f->output(out, 0);
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}
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metadata::ptr md_;
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};
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//--------------------------------
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template <typename ShowTraits>
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dbg::command::ptr
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create_btree_node_handler(block_manager::ptr bm) {
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return create_block_handler(bm, create_btree_node_dumper<ShowTraits>());
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}
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template <typename ShowTraits>
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dbg::command::ptr
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create_array_block_handler(block_manager::ptr bm,
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typename ShowTraits::value_trait::ref_counter rc) {
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return create_block_handler(bm, create_array_block_dumper<ShowTraits>(rc));
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}
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dbg::command::ptr
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create_bitset_block_handler(block_manager::ptr bm) {
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return create_block_handler(bm, create_bitset_block_dumper());
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}
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dbg::command::ptr
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create_index_block_handler(block_manager::ptr bm) {
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return create_block_handler(bm, create_index_block_dumper());
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}
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int debug(string const &path) {
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using dbg::command;
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try {
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block_manager::ptr bm = open_bm(path, block_manager::READ_ONLY);
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metadata::ptr md(new metadata(bm));
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command_interpreter::ptr interp = create_command_interpreter(cin, cout);
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interp->register_command("hello", command::ptr(new hello));
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interp->register_command("superblock", command::ptr(new show_superblock(md)));
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interp->register_command("mapping_node", command::ptr(new show_btree_node<block_show_traits>(md)));
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interp->register_command("mapping_array", command::ptr(new show_array_block<mapping_show_traits>(md)));
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interp->register_command("hello", create_hello_handler());
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interp->register_command("superblock", command::ptr(new show_superblock(bm)));
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interp->register_command("block_node", create_btree_node_handler<uint64_show_traits>(bm));
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interp->register_command("bitset_block", create_bitset_block_handler(bm));
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interp->register_command("index_block", create_index_block_handler(bm));
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interp->register_command("mapping_block", create_array_block_handler<mapping_show_traits>(bm,
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mapping_traits::ref_counter()));
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interp->register_command("help", command::ptr(new help));
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interp->register_command("exit", command::ptr(new exit_handler(interp)));
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interp->register_command("exit", create_exit_handler(interp));
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interp->enter_main_loop();
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} catch (std::exception &e) {
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@ -0,0 +1,53 @@
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#include "dbg-lib/block_dumper.h"
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#include "dbg-lib/output_formatter.h"
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#include "persistent-data/data-structures/array_block.h"
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//----------------------------------------------------------------
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namespace dbg {
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using persistent_data::block_manager;
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using persistent_data::array_block;
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template <typename ShowTraits>
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class array_block_dumper : public block_dumper {
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public:
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array_block_dumper(typename ShowTraits::value_trait::ref_counter rc)
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: rc_(rc) {
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}
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virtual void show(block_manager::read_ref &rr, std::ostream &out) {
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rblock b(rr, rc_);
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show_array_entries(b, out);
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}
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private:
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typedef array_block<typename ShowTraits::value_trait, block_manager::read_ref> rblock;
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void show_array_entries(rblock const& b, std::ostream &out) {
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formatter::ptr f = create_xml_formatter();
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uint32_t nr_entries = b.nr_entries();
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field(*f, "max_entries", b.max_entries());
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field(*f, "nr_entries", nr_entries);
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field(*f, "value_size", b.value_size());
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for (unsigned i = 0; i < nr_entries; i++) {
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formatter::ptr f2 = create_xml_formatter();
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ShowTraits::show(f2, "value", b.get(i));
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f->child(boost::lexical_cast<std::string>(i), f2);
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}
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f->output(out, 0);
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}
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typename ShowTraits::value_trait::ref_counter rc_;
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};
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template <typename ShowTraits>
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block_dumper::ptr
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create_array_block_dumper(typename ShowTraits::value_trait::ref_counter rc) {
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return block_dumper::ptr(new array_block_dumper<ShowTraits>(rc));
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}
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}
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//----------------------------------------------------------------
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@ -0,0 +1,137 @@
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#include "dbg-lib/bitset_block_dumper.h"
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#include "dbg-lib/output_formatter.h"
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#include "persistent-data/data-structures/array_block.h"
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#include "persistent-data/data-structures/simple_traits.h"
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using namespace dbg;
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using namespace persistent_data;
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//----------------------------------------------------------------
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namespace {
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class bitset_block_dumper : public dbg::block_dumper {
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typedef array_block<uint64_traits, block_manager::read_ref> rblock;
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public:
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explicit bitset_block_dumper()
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: BITS_PER_ARRAY_ENTRY(64) {
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}
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virtual void show(block_manager::read_ref &rr, ostream &out) {
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rblock b(rr, rc_);
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show_bitset_entries(b, out);
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}
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private:
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void show_bitset_entries(rblock const& b, ostream &out) {
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formatter::ptr f = create_xml_formatter();
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uint32_t nr_entries = b.nr_entries();
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field(*f, "max_entries", b.max_entries());
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field(*f, "nr_entries", nr_entries);
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field(*f, "value_size", b.value_size());
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uint32_t end_pos = b.nr_entries() * BITS_PER_ARRAY_ENTRY;
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std::pair<uint32_t, uint32_t> range = next_set_bits(b, 0);
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for (; range.first < end_pos; range = next_set_bits(b, range.second)) {
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formatter::ptr f2 = create_xml_formatter();
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field(*f2, "begin", range.first);
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field(*f2, "end", range.second);
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f->child("set_bits", f2);
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}
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f->output(out, 0);
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}
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// Returns the range of set bits, starts from the offset.
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pair<uint32_t, uint32_t> next_set_bits(rblock const &b, uint32_t offset) {
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uint32_t end_pos = b.nr_entries() * BITS_PER_ARRAY_ENTRY;
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uint32_t begin = find_first_set(b, offset);
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if (begin == end_pos) // not found
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return make_pair(end_pos, end_pos);
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uint32_t end = find_first_unset(b, begin + 1);
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return make_pair(begin, end);
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}
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// Returns the position (zero-based) of the first bit set
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// in the array block, starts from the offset.
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// Returns the pass-the-end position if not found.
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uint32_t find_first_set(rblock const &b, uint32_t offset) {
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uint32_t entry = offset / BITS_PER_ARRAY_ENTRY;
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uint32_t nr_entries = b.nr_entries();
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if (entry >= nr_entries)
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return entry * BITS_PER_ARRAY_ENTRY;
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uint32_t idx = offset % BITS_PER_ARRAY_ENTRY;
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uint64_t v = b.get(entry++) >> idx;
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while (!v && entry < nr_entries) {
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v = b.get(entry++);
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idx = 0;
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}
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if (!v) // not found
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return entry * BITS_PER_ARRAY_ENTRY;
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return (entry - 1) * BITS_PER_ARRAY_ENTRY + idx + ffsll(static_cast<long long>(v)) - 1;
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}
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// Returns the position (zero-based) of the first zero bit
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// in the array block, starts from the offset.
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// Returns the pass-the-end position if not found.
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// FIXME: improve efficiency
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uint32_t find_first_unset(rblock const& b, uint32_t offset) {
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uint32_t entry = offset / BITS_PER_ARRAY_ENTRY;
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uint32_t nr_entries = b.nr_entries();
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if (entry >= nr_entries)
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return entry * BITS_PER_ARRAY_ENTRY;
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uint32_t idx = offset % BITS_PER_ARRAY_ENTRY;
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uint64_t v = b.get(entry++);
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while (all_bits_set(v, idx) && entry < nr_entries) {
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v = b.get(entry++);
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idx = 0;
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}
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if (all_bits_set(v, idx)) // not found
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return entry * BITS_PER_ARRAY_ENTRY;
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||||
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return (entry - 1) * BITS_PER_ARRAY_ENTRY + idx + count_leading_bits(v, idx);
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}
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|
||||
// Returns true if all the bits beyond the position are set.
|
||||
bool all_bits_set(uint64_t v, uint32_t offset) {
|
||||
return (v >> offset) == (numeric_limits<uint64_t>::max() >> offset);
|
||||
}
|
||||
|
||||
// Counts the number of leading 1's in the given value, starts from the offset
|
||||
// FIXME: improve efficiency
|
||||
uint32_t count_leading_bits(uint64_t v, uint32_t offset) {
|
||||
uint32_t count = 0;
|
||||
|
||||
v >>= offset;
|
||||
while (v & 0x1) {
|
||||
v >>= 1;
|
||||
count++;
|
||||
}
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
block_manager::ptr bm_;
|
||||
uint64_traits::ref_counter rc_;
|
||||
|
||||
const uint32_t BITS_PER_ARRAY_ENTRY;
|
||||
};
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
block_dumper::ptr
|
||||
dbg::create_bitset_block_dumper() {
|
||||
return block_dumper::ptr(new bitset_block_dumper());
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
#ifndef DBG_BITSET_BLOCK_DUMPER
|
||||
#define DBG_BITSET_BLOCK_DUMPER
|
||||
|
||||
#include "dbg-lib/block_dumper.h"
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace dbg {
|
||||
block_dumper::ptr create_bitset_block_dumper();
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,21 @@
|
|||
#ifndef DBG_BLOCK_DUMPER_H
|
||||
#define DBG_BLOCK_DUMPER_H
|
||||
|
||||
#include "persistent-data/block.h"
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace dbg {
|
||||
class block_dumper {
|
||||
public:
|
||||
typedef std::shared_ptr<block_dumper> ptr;
|
||||
|
||||
// pass the read_ref by reference since the caller already held the ref-count
|
||||
virtual void show(persistent_data::block_manager::read_ref &rr,
|
||||
std::ostream &out) = 0;
|
||||
};
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,57 @@
|
|||
#ifndef DBG_BTREE_NODE_DUMPER
|
||||
#define DBG_BTREE_NODE_DUMPER
|
||||
|
||||
#include "dbg-lib/block_dumper.h"
|
||||
#include "dbg-lib/simple_show_traits.h"
|
||||
#include "persistent-data/data-structures/btree.h"
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace dbg {
|
||||
using persistent_data::block_manager;
|
||||
using persistent_data::btree_detail::node_ref;
|
||||
|
||||
template <typename ShowTraits>
|
||||
class btree_node_dumper : public block_dumper {
|
||||
public:
|
||||
virtual void show(block_manager::read_ref &rr, std::ostream &out) {
|
||||
node_ref<uint64_traits> n = btree_detail::to_node<uint64_traits>(rr);
|
||||
if (n.get_type() == INTERNAL)
|
||||
btree_node_dumper<uint64_show_traits>::show_node(n, out);
|
||||
else {
|
||||
node_ref<typename ShowTraits::value_trait> n = btree_detail::to_node<typename ShowTraits::value_trait>(rr);
|
||||
show_node(n, out);
|
||||
}
|
||||
}
|
||||
|
||||
static void show_node(node_ref<typename ShowTraits::value_trait> n, std::ostream &out) {
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
|
||||
field(*f, "csum", n.get_checksum());
|
||||
field(*f, "blocknr", n.get_block_nr());
|
||||
field(*f, "type", n.get_type() == INTERNAL ? "internal" : "leaf");
|
||||
field(*f, "nr_entries", n.get_nr_entries());
|
||||
field(*f, "max_entries", n.get_max_entries());
|
||||
field(*f, "value_size", n.get_value_size());
|
||||
|
||||
for (unsigned i = 0; i < n.get_nr_entries(); i++) {
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
field(*f2, "key", n.key_at(i));
|
||||
ShowTraits::show(f2, "value", n.value_at(i));
|
||||
f->child(boost::lexical_cast<std::string>(i), f2);
|
||||
}
|
||||
|
||||
f->output(out, 0);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename ShowTraits>
|
||||
block_dumper::ptr
|
||||
create_btree_node_dumper() {
|
||||
return block_dumper::ptr(new btree_node_dumper<ShowTraits>());
|
||||
}
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
#endif
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
#include "base/command_interpreter.h"
|
||||
#include "dbg-lib/command_interpreter.h"
|
||||
|
||||
using namespace dbg;
|
||||
using namespace std;
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
#include "dbg-lib/commands.h"
|
||||
#include "persistent-data/block.h"
|
||||
|
||||
#include <boost/lexical_cast.hpp>
|
||||
#include <stdexcept>
|
||||
|
||||
using namespace dbg;
|
||||
using namespace persistent_data;
|
||||
using namespace std;
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace {
|
||||
class hello : public dbg::command {
|
||||
virtual void exec(dbg::strings const &args, ostream &out) {
|
||||
out << "Hello, world!" << endl;
|
||||
}
|
||||
};
|
||||
|
||||
class exit_handler : public dbg::command {
|
||||
public:
|
||||
exit_handler(command_interpreter::ptr interpreter)
|
||||
: interpreter_(interpreter) {
|
||||
}
|
||||
|
||||
virtual void exec(dbg::strings const &args, ostream &out) {
|
||||
out << "Goodbye!" << endl;
|
||||
interpreter_->exit_main_loop();
|
||||
}
|
||||
|
||||
private:
|
||||
command_interpreter::ptr interpreter_;
|
||||
};
|
||||
|
||||
class block_handler : public dbg::command {
|
||||
public:
|
||||
block_handler(block_manager::ptr bm, block_dumper::ptr dumper)
|
||||
: bm_(bm), dumper_(dumper) {
|
||||
}
|
||||
|
||||
virtual void exec(dbg::strings const &args, ostream &out) {
|
||||
if (args.size() != 2)
|
||||
throw runtime_error("incorrect number of arguments");
|
||||
|
||||
block_address block = boost::lexical_cast<block_address>(args[1]);
|
||||
|
||||
// no checksum validation for debugging purpose
|
||||
block_manager::read_ref rr = bm_->read_lock(block);
|
||||
|
||||
dumper_->show(rr, out);
|
||||
}
|
||||
|
||||
private:
|
||||
block_manager::ptr bm_;
|
||||
block_dumper::ptr dumper_;
|
||||
};
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
command::ptr
|
||||
dbg::create_hello_handler()
|
||||
{
|
||||
return command::ptr(new hello());
|
||||
}
|
||||
|
||||
command::ptr
|
||||
dbg::create_exit_handler(command_interpreter::ptr interp)
|
||||
{
|
||||
return command::ptr(new exit_handler(interp));
|
||||
}
|
||||
|
||||
command::ptr
|
||||
dbg::create_block_handler(block_manager::ptr bm, block_dumper::ptr dumper)
|
||||
{
|
||||
return command::ptr(new block_handler(bm, dumper));
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
#ifndef DBG_COMMANDS_H
|
||||
#define DBG_COMMANDS_H
|
||||
|
||||
#include "dbg-lib/command_interpreter.h"
|
||||
#include "dbg-lib/block_dumper.h"
|
||||
#include "persistent-data/block.h"
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace dbg {
|
||||
dbg::command::ptr
|
||||
create_hello_handler();
|
||||
|
||||
dbg::command::ptr
|
||||
create_exit_handler(dbg::command_interpreter::ptr interp);
|
||||
|
||||
dbg::command::ptr
|
||||
create_block_handler(persistent_data::block_manager::ptr bm,
|
||||
dbg::block_dumper::ptr dumper);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,51 @@
|
|||
#include "dbg-lib/index_block_dumper.h"
|
||||
#include "dbg-lib/output_formatter.h"
|
||||
#include "dbg-lib/sm_show_traits.h"
|
||||
#include "persistent-data/space-maps/disk_structures.h"
|
||||
|
||||
using namespace dbg;
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace {
|
||||
using persistent_data::block_manager;
|
||||
|
||||
class index_block_dumper : public dbg::block_dumper {
|
||||
public:
|
||||
virtual void show(block_manager::read_ref &rr, std::ostream &out) {
|
||||
sm_disk_detail::metadata_index const *mdi =
|
||||
reinterpret_cast<sm_disk_detail::metadata_index const *>(rr.data());
|
||||
show_metadata_index(mdi, sm_disk_detail::MAX_METADATA_BITMAPS, out);
|
||||
}
|
||||
|
||||
private:
|
||||
void show_metadata_index(sm_disk_detail::metadata_index const *mdi, unsigned nr_indexes, std::ostream &out) {
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
field(*f, "csum", to_cpu<uint32_t>(mdi->csum_));
|
||||
field(*f, "padding", to_cpu<uint32_t>(mdi->padding_));
|
||||
field(*f, "blocknr", to_cpu<uint64_t>(mdi->blocknr_));
|
||||
|
||||
sm_disk_detail::index_entry ie;
|
||||
for (unsigned i = 0; i < nr_indexes; i++) {
|
||||
sm_disk_detail::index_entry_traits::unpack(*(mdi->index + i), ie);
|
||||
|
||||
if (!ie.blocknr_ && !ie.nr_free_ && !ie.none_free_before_)
|
||||
continue;
|
||||
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
index_entry_show_traits::show(f2, "value", ie);
|
||||
f->child(boost::lexical_cast<string>(i), f2);
|
||||
}
|
||||
f->output(out, 0);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
block_dumper::ptr
|
||||
dbg::create_index_block_dumper() {
|
||||
return block_dumper::ptr(new index_block_dumper());
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
#include "dbg-lib/block_dumper.h"
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace dbg {
|
||||
block_dumper::ptr
|
||||
create_index_block_dumper();
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
#include <string>
|
||||
|
||||
#include "base/output_formatter.h"
|
||||
#include "dbg-lib/output_formatter.h"
|
||||
|
||||
using namespace dbg;
|
||||
using namespace std;
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
#include "dbg-lib/simple_show_traits.h"
|
||||
|
||||
using namespace dbg;
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
void
|
||||
uint32_show_traits::show(formatter::ptr f, string const &key, uint32_t const &value)
|
||||
{
|
||||
field(*f, key, boost::lexical_cast<string>(value));
|
||||
}
|
||||
|
||||
void
|
||||
uint64_show_traits::show(formatter::ptr f, string const &key, uint64_t const &value)
|
||||
{
|
||||
field(*f, key, boost::lexical_cast<string>(value));
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
#ifndef DBG_SIMPLE_SHOW_TRAITS_H
|
||||
#define DBG_SIMPLE_SHOW_TRAITS_H
|
||||
|
||||
#include "dbg-lib/output_formatter.h"
|
||||
#include "persistent-data/data-structures/simple_traits.h"
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace dbg {
|
||||
class uint32_show_traits {
|
||||
public:
|
||||
typedef persistent_data::uint32_traits value_trait;
|
||||
|
||||
static void show(dbg::formatter::ptr f, std::string const &key, uint32_t const &value);
|
||||
};
|
||||
|
||||
class uint64_show_traits {
|
||||
public:
|
||||
typedef persistent_data::uint64_traits value_trait;
|
||||
|
||||
static void show(dbg::formatter::ptr f, std::string const &key, uint64_t const &value);
|
||||
};
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
#include "dbg-lib/sm_show_traits.h"
|
||||
|
||||
using namespace dbg;
|
||||
using namespace std;
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
void
|
||||
index_entry_show_traits::show(formatter::ptr f, string const &key,
|
||||
persistent_data::sm_disk_detail::index_entry const &value)
|
||||
{
|
||||
field(*f, "blocknr", value.blocknr_);
|
||||
field(*f, "nr_free", value.nr_free_);
|
||||
field(*f, "none_free_before", value.none_free_before_);
|
||||
}
|
||||
|
||||
void
|
||||
sm_root_show_traits::show(formatter::ptr f, string const &key,
|
||||
persistent_data::sm_disk_detail::sm_root const &value)
|
||||
{
|
||||
field(*f, "nr_blocks", value.nr_blocks_);
|
||||
field(*f, "nr_allocated", value.nr_allocated_);
|
||||
field(*f, "bitmap_root", value.bitmap_root_);
|
||||
field(*f, "ref_count_root", value.ref_count_root_);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
#ifndef DBG_SM_SHOW_TRAITS_H
|
||||
#define DBG_SM_SHOW_TRAITS_H
|
||||
|
||||
#include "dbg-lib/output_formatter.h"
|
||||
#include "persistent-data/space-maps/disk_structures.h"
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace dbg {
|
||||
class index_entry_show_traits {
|
||||
public:
|
||||
typedef persistent_data::sm_disk_detail::index_entry_traits value_trait;
|
||||
|
||||
static void show(dbg::formatter::ptr f, std::string const &key,
|
||||
persistent_data::sm_disk_detail::index_entry const &value);
|
||||
};
|
||||
|
||||
class sm_root_show_traits {
|
||||
public:
|
||||
typedef persistent_data::sm_disk_detail::sm_root_traits value_trait;
|
||||
|
||||
static void show(dbg::formatter::ptr f, std::string const &key,
|
||||
persistent_data::sm_disk_detail::sm_root const &value);
|
||||
};
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
#endif
|
||||
|
|
@ -34,6 +34,18 @@ namespace era {
|
|||
virtual int run(int argc, char **argv);
|
||||
};
|
||||
|
||||
//------------------------------------------------------
|
||||
|
||||
class era_debug_cmd : public base::command {
|
||||
public:
|
||||
era_debug_cmd();
|
||||
|
||||
virtual void usage(std::ostream &out) const;
|
||||
virtual int run(int argc, char **argv);
|
||||
};
|
||||
|
||||
//------------------------------------------------------
|
||||
|
||||
void register_era_commands(base::application &app);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,12 +1,14 @@
|
|||
#include "era/commands.h"
|
||||
|
||||
using namespace base;
|
||||
using namespace era;
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
void
|
||||
era::register_era_commands(base::application &app)
|
||||
{
|
||||
app.add_cmd(command::ptr(new era_debug_cmd));
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
|
|
|||
|
|
@ -0,0 +1,228 @@
|
|||
// Copyright (C) 2012 Red Hat, Inc. All rights reserved.
|
||||
//
|
||||
// This file is part of the thin-provisioning-tools source.
|
||||
//
|
||||
// thin-provisioning-tools is free software: you can redistribute it
|
||||
// and/or modify it under the terms of the GNU General Public License
|
||||
// as published by the Free Software Foundation, either version 3 of
|
||||
// the License, or (at your option) any later version.
|
||||
//
|
||||
// thin-provisioning-tools is distributed in the hope that it will be
|
||||
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
||||
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with thin-provisioning-tools. If not, see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
#include <boost/lexical_cast.hpp>
|
||||
#include <getopt.h>
|
||||
#include <iostream>
|
||||
#include <string>
|
||||
|
||||
#include "dbg-lib/array_block_dumper.h"
|
||||
#include "dbg-lib/btree_node_dumper.h"
|
||||
#include "dbg-lib/bitset_block_dumper.h"
|
||||
#include "dbg-lib/command_interpreter.h"
|
||||
#include "dbg-lib/commands.h"
|
||||
#include "dbg-lib/index_block_dumper.h"
|
||||
#include "dbg-lib/output_formatter.h"
|
||||
#include "dbg-lib/sm_show_traits.h"
|
||||
#include "persistent-data/file_utils.h"
|
||||
#include "persistent-data/space-maps/disk_structures.h"
|
||||
#include "era/commands.h"
|
||||
#include "era/metadata.h"
|
||||
#include "version.h"
|
||||
|
||||
using namespace dbg;
|
||||
using namespace persistent_data;
|
||||
using namespace std;
|
||||
using namespace era;
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
namespace {
|
||||
class help : public dbg::command {
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
out << "Commands:" << endl
|
||||
<< " superblock [block#]" << endl
|
||||
<< " block_node <block# of array block-tree node>" << endl
|
||||
<< " bitset_block <block# of bitset block>" << endl
|
||||
<< " era_block <block# of era array block>" << endl
|
||||
<< " index_block <block# of metadata space map root>" << endl
|
||||
<< " writeset_node <block# of writeset tree node>" << endl
|
||||
<< " exit" << endl;
|
||||
}
|
||||
};
|
||||
|
||||
// for displaying the writeset tree
|
||||
class writeset_show_traits : public era::era_detail_traits {
|
||||
public:
|
||||
typedef era_detail_traits value_trait;
|
||||
|
||||
static void show(formatter::ptr f, string const &key, era_detail const &value) {
|
||||
field(*f, "nr_bits", value.nr_bits);
|
||||
field(*f, "writeset_root", value.writeset_root);
|
||||
}
|
||||
};
|
||||
|
||||
class show_superblock : public dbg::command {
|
||||
public:
|
||||
explicit show_superblock(block_manager::ptr bm)
|
||||
: bm_(bm) {
|
||||
}
|
||||
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
if (args.size() > 2)
|
||||
throw runtime_error("incorrect number of arguments");
|
||||
|
||||
block_address b = era::SUPERBLOCK_LOCATION;
|
||||
if (args.size() == 2)
|
||||
b = boost::lexical_cast<block_address>(args[1]);
|
||||
era::superblock sb = read_superblock(bm_, b);
|
||||
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
ostringstream version;
|
||||
field(*f, "csum", sb.csum);
|
||||
field(*f, "flags", sb.flags.encode());
|
||||
field(*f, "blocknr", sb.blocknr);
|
||||
field(*f, "uuid", sb.uuid); // FIXME: delimit, and handle non-printable chars
|
||||
field(*f, "magic", sb.magic);
|
||||
field(*f, "version", sb.version);
|
||||
|
||||
sm_disk_detail::sm_root_disk const *d;
|
||||
sm_disk_detail::sm_root v;
|
||||
{
|
||||
d = reinterpret_cast<sm_disk_detail::sm_root_disk const *>(sb.metadata_space_map_root);
|
||||
sm_disk_detail::sm_root_traits::unpack(*d, v);
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
sm_root_show_traits::show(f2, "value", v);
|
||||
f->child("metadata_space_map_root", f2);
|
||||
}
|
||||
|
||||
field(*f, "data_block_size", sb.data_block_size);
|
||||
field(*f, "metadata_block_size", sb.metadata_block_size);
|
||||
field(*f, "nr_blocks", sb.nr_blocks);
|
||||
|
||||
field(*f, "current_era", sb.current_era);
|
||||
{
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
writeset_show_traits::show(f2, "value", sb.current_detail);
|
||||
f->child("current_writeset", f2);
|
||||
}
|
||||
|
||||
field(*f, "writeset_tree_root", sb.writeset_tree_root);
|
||||
field(*f, "era_array_root", sb.era_array_root);
|
||||
|
||||
if (sb.metadata_snap)
|
||||
field(*f, "metadata_snap", *sb.metadata_snap);
|
||||
|
||||
f->output(out, 0);
|
||||
}
|
||||
|
||||
private:
|
||||
block_manager::ptr bm_;
|
||||
};
|
||||
|
||||
//--------------------------------
|
||||
|
||||
template <typename ShowTraits>
|
||||
dbg::command::ptr
|
||||
create_btree_node_handler(block_manager::ptr bm) {
|
||||
return create_block_handler(bm, create_btree_node_dumper<ShowTraits>());
|
||||
}
|
||||
|
||||
template <typename ShowTraits>
|
||||
dbg::command::ptr
|
||||
create_array_block_handler(block_manager::ptr bm,
|
||||
typename ShowTraits::value_trait::ref_counter rc) {
|
||||
return create_block_handler(bm, create_array_block_dumper<ShowTraits>(rc));
|
||||
}
|
||||
|
||||
dbg::command::ptr
|
||||
create_bitset_block_handler(block_manager::ptr bm) {
|
||||
return create_block_handler(bm, create_bitset_block_dumper());
|
||||
}
|
||||
|
||||
dbg::command::ptr
|
||||
create_index_block_handler(block_manager::ptr bm) {
|
||||
return create_block_handler(bm, create_index_block_dumper());
|
||||
}
|
||||
|
||||
int debug(string const &path) {
|
||||
using dbg::command;
|
||||
|
||||
try {
|
||||
block_manager::ptr bm = open_bm(path, block_manager::READ_ONLY);
|
||||
transaction_manager::ptr null_tm = open_tm(bm, era::SUPERBLOCK_LOCATION);
|
||||
command_interpreter::ptr interp = create_command_interpreter(cin, cout);
|
||||
interp->register_command("hello", create_hello_handler());
|
||||
interp->register_command("superblock", command::ptr(new show_superblock(bm)));
|
||||
interp->register_command("block_node", create_btree_node_handler<uint64_show_traits>(bm));
|
||||
interp->register_command("bitset_block", create_bitset_block_handler(bm));
|
||||
interp->register_command("era_block", create_array_block_handler<uint32_show_traits>(bm,
|
||||
uint32_traits::ref_counter()));
|
||||
interp->register_command("index_block", create_index_block_handler(bm));
|
||||
interp->register_command("writeset_node", create_btree_node_handler<writeset_show_traits>(bm));
|
||||
interp->register_command("help", command::ptr(new help));
|
||||
interp->register_command("exit", create_exit_handler(interp));
|
||||
interp->enter_main_loop();
|
||||
|
||||
} catch (std::exception &e) {
|
||||
cerr << e.what();
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
||||
era_debug_cmd::era_debug_cmd()
|
||||
: command("era_debug")
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
era_debug_cmd::usage(std::ostream &out) const
|
||||
{
|
||||
out << "Usage: " << get_name() << " {device|file}" << endl
|
||||
<< "Options:" << endl
|
||||
<< " {-h|--help}" << endl
|
||||
<< " {-V|--version}" << endl;
|
||||
}
|
||||
|
||||
int
|
||||
era_debug_cmd::run(int argc, char **argv)
|
||||
{
|
||||
int c;
|
||||
const char shortopts[] = "hV";
|
||||
const struct option longopts[] = {
|
||||
{ "help", no_argument, NULL, 'h'},
|
||||
{ "version", no_argument, NULL, 'V'},
|
||||
{ NULL, no_argument, NULL, 0 }
|
||||
};
|
||||
|
||||
while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
|
||||
switch(c) {
|
||||
case 'h':
|
||||
usage(cout);
|
||||
return 0;
|
||||
|
||||
case 'V':
|
||||
cerr << THIN_PROVISIONING_TOOLS_VERSION << endl;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (argc == optind) {
|
||||
usage(cerr);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
return debug(argv[optind]);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------
|
||||
|
|
@ -21,11 +21,14 @@
|
|||
#include <iostream>
|
||||
#include <string>
|
||||
|
||||
#include "base/command_interpreter.h"
|
||||
#include "base/math_utils.h"
|
||||
#include "base/output_formatter.h"
|
||||
#include "persistent-data/data-structures/btree.h"
|
||||
#include "persistent-data/data-structures/simple_traits.h"
|
||||
#include "dbg-lib/array_block_dumper.h"
|
||||
#include "dbg-lib/btree_node_dumper.h"
|
||||
#include "dbg-lib/index_block_dumper.h"
|
||||
#include "dbg-lib/command_interpreter.h"
|
||||
#include "dbg-lib/commands.h"
|
||||
#include "dbg-lib/output_formatter.h"
|
||||
#include "dbg-lib/sm_show_traits.h"
|
||||
#include "persistent-data/file_utils.h"
|
||||
#include "persistent-data/space-maps/disk_structures.h"
|
||||
#include "thin-provisioning/commands.h"
|
||||
|
|
@ -39,16 +42,10 @@ using namespace std;
|
|||
using namespace thin_provisioning;
|
||||
|
||||
namespace {
|
||||
class hello : public dbg::command {
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
out << "Hello, world!" << endl;
|
||||
}
|
||||
};
|
||||
|
||||
class help : public dbg::command {
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
out << "Commands:" << endl
|
||||
<< " superblock" << endl
|
||||
<< " superblock [block#]" << endl
|
||||
<< " m1_node <block# of top-level mapping tree node>" << endl
|
||||
<< " m2_node <block# of bottom-level mapping tree node>" << endl
|
||||
<< " detail_node <block# of device details tree node>" << endl
|
||||
|
|
@ -58,42 +55,22 @@ namespace {
|
|||
}
|
||||
};
|
||||
|
||||
class exit_handler : public dbg::command {
|
||||
public:
|
||||
exit_handler(command_interpreter::ptr interpreter)
|
||||
: interpreter_(interpreter) {
|
||||
}
|
||||
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
out << "Goodbye!" << endl;
|
||||
interpreter_->exit_main_loop();
|
||||
}
|
||||
|
||||
command_interpreter::ptr interpreter_;
|
||||
};
|
||||
|
||||
class sm_root_show_traits : public persistent_data::sm_disk_detail::sm_root_traits {
|
||||
public:
|
||||
static void show(formatter::ptr f, string const &key,
|
||||
persistent_data::sm_disk_detail::sm_root const &value) {
|
||||
field(*f, "nr_blocks", value.nr_blocks_);
|
||||
field(*f, "nr_allocated", value.nr_allocated_);
|
||||
field(*f, "bitmap_root", value.bitmap_root_);
|
||||
field(*f, "ref_count_root", value.ref_count_root_);
|
||||
}
|
||||
};
|
||||
|
||||
class show_superblock : public dbg::command {
|
||||
public:
|
||||
explicit show_superblock(metadata::ptr md)
|
||||
: md_(md) {
|
||||
explicit show_superblock(block_manager::ptr bm)
|
||||
: bm_(bm) {
|
||||
}
|
||||
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
if (args.size() > 2)
|
||||
throw runtime_error("incorrect number of arguments");
|
||||
|
||||
block_address b = superblock_detail::SUPERBLOCK_LOCATION;
|
||||
if (args.size() == 2)
|
||||
b = boost::lexical_cast<block_address>(args[1]);
|
||||
superblock_detail::superblock sb = read_superblock(bm_, b);
|
||||
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
|
||||
thin_provisioning::superblock_detail::superblock const &sb = md_->sb_;
|
||||
|
||||
field(*f, "csum", sb.csum_);
|
||||
field(*f, "flags", sb.flags_);
|
||||
field(*f, "blocknr", sb.blocknr_);
|
||||
|
|
@ -134,10 +111,10 @@ namespace {
|
|||
}
|
||||
|
||||
private:
|
||||
metadata::ptr md_;
|
||||
block_manager::ptr bm_;
|
||||
};
|
||||
|
||||
class device_details_show_traits : public thin_provisioning::device_tree_detail::device_details_traits {
|
||||
class device_details_show_traits {
|
||||
public:
|
||||
typedef thin_provisioning::device_tree_detail::device_details_traits value_trait;
|
||||
|
||||
|
|
@ -150,16 +127,7 @@ namespace {
|
|||
}
|
||||
};
|
||||
|
||||
class uint64_show_traits : public uint64_traits {
|
||||
public:
|
||||
typedef uint64_traits value_trait;
|
||||
|
||||
static void show(formatter::ptr f, string const &key, uint64_t const &value) {
|
||||
field(*f, key, boost::lexical_cast<string>(value));
|
||||
}
|
||||
};
|
||||
|
||||
class block_show_traits : public thin_provisioning::mapping_tree_detail::block_traits {
|
||||
class block_show_traits {
|
||||
public:
|
||||
typedef thin_provisioning::mapping_tree_detail::block_traits value_trait;
|
||||
|
||||
|
|
@ -170,132 +138,34 @@ namespace {
|
|||
}
|
||||
};
|
||||
|
||||
class index_entry_show_traits : public persistent_data::sm_disk_detail::index_entry_traits {
|
||||
public:
|
||||
typedef persistent_data::sm_disk_detail::index_entry_traits value_trait;
|
||||
|
||||
static void show(formatter::ptr f, string const &key,
|
||||
persistent_data::sm_disk_detail::index_entry const &value) {
|
||||
field(*f, "blocknr", value.blocknr_);
|
||||
field(*f, "nr_free", value.nr_free_);
|
||||
field(*f, "none_free_before", value.none_free_before_);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename ShowTraits>
|
||||
class show_btree_node : public dbg::command {
|
||||
public:
|
||||
explicit show_btree_node(metadata::ptr md)
|
||||
: md_(md) {
|
||||
}
|
||||
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
using namespace persistent_data::btree_detail;
|
||||
|
||||
if (args.size() != 2)
|
||||
throw runtime_error("incorrect number of arguments");
|
||||
|
||||
block_address block = boost::lexical_cast<block_address>(args[1]);
|
||||
block_manager::read_ref rr = md_->tm_->read_lock(block);
|
||||
|
||||
node_ref<uint64_show_traits::value_trait> n = btree_detail::to_node<uint64_show_traits::value_trait>(rr);
|
||||
if (n.get_type() == INTERNAL)
|
||||
show_node<uint64_show_traits>(n, out);
|
||||
else {
|
||||
node_ref<typename ShowTraits::value_trait> n = btree_detail::to_node<typename ShowTraits::value_trait>(rr);
|
||||
show_node<ShowTraits>(n, out);
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
template <typename ST>
|
||||
void show_node(node_ref<typename ST::value_trait> n, ostream &out) {
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
|
||||
field(*f, "csum", n.get_checksum());
|
||||
field(*f, "blocknr", n.get_block_nr());
|
||||
field(*f, "type", n.get_type() == INTERNAL ? "internal" : "leaf");
|
||||
field(*f, "nr_entries", n.get_nr_entries());
|
||||
field(*f, "max_entries", n.get_max_entries());
|
||||
field(*f, "value_size", n.get_value_size());
|
||||
|
||||
for (unsigned i = 0; i < n.get_nr_entries(); i++) {
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
field(*f2, "key", n.key_at(i));
|
||||
ST::show(f2, "value", n.value_at(i));
|
||||
f->child(boost::lexical_cast<string>(i), f2);
|
||||
}
|
||||
|
||||
f->output(out, 0);
|
||||
}
|
||||
|
||||
metadata::ptr md_;
|
||||
};
|
||||
|
||||
class show_index_block : public dbg::command {
|
||||
public:
|
||||
explicit show_index_block(metadata::ptr md)
|
||||
: md_(md) {
|
||||
}
|
||||
|
||||
virtual void exec(strings const &args, ostream &out) {
|
||||
if (args.size() != 2)
|
||||
throw runtime_error("incorrect number of arguments");
|
||||
|
||||
// manually load metadata_index, without using index_validator()
|
||||
block_address block = boost::lexical_cast<block_address>(args[1]);
|
||||
block_manager::read_ref rr = md_->tm_->read_lock(block);
|
||||
|
||||
sm_disk_detail::sm_root_disk const *d =
|
||||
reinterpret_cast<sm_disk_detail::sm_root_disk const *>(md_->sb_.metadata_space_map_root_);
|
||||
sm_disk_detail::sm_root v;
|
||||
sm_disk_detail::sm_root_traits::unpack(*d, v);
|
||||
block_address nr_indexes = base::div_up<block_address>(v.nr_blocks_, ENTRIES_PER_BLOCK);
|
||||
|
||||
sm_disk_detail::metadata_index const *mdi =
|
||||
reinterpret_cast<sm_disk_detail::metadata_index const *>(rr.data());
|
||||
show_metadata_index(mdi, nr_indexes, out);
|
||||
}
|
||||
|
||||
private:
|
||||
void show_metadata_index(sm_disk_detail::metadata_index const *mdi, block_address nr_indexes, ostream &out) {
|
||||
formatter::ptr f = create_xml_formatter();
|
||||
field(*f, "csum", to_cpu<uint32_t>(mdi->csum_));
|
||||
field(*f, "padding", to_cpu<uint32_t>(mdi->padding_));
|
||||
field(*f, "blocknr", to_cpu<uint64_t>(mdi->blocknr_));
|
||||
|
||||
sm_disk_detail::index_entry ie;
|
||||
for (block_address i = 0; i < nr_indexes; i++) {
|
||||
sm_disk_detail::index_entry_traits::unpack(*(mdi->index + i), ie);
|
||||
formatter::ptr f2 = create_xml_formatter();
|
||||
index_entry_show_traits::show(f2, "value", ie);
|
||||
f->child(boost::lexical_cast<string>(i), f2);
|
||||
}
|
||||
f->output(out, 0);
|
||||
}
|
||||
|
||||
unsigned const ENTRIES_PER_BLOCK = (MD_BLOCK_SIZE - sizeof(persistent_data::sm_disk_detail::bitmap_header)) * 4;
|
||||
metadata::ptr md_;
|
||||
};
|
||||
|
||||
//--------------------------------
|
||||
|
||||
int debug_(string const &path, bool ignore_metadata_sm) {
|
||||
template <typename ShowTraits>
|
||||
dbg::command::ptr
|
||||
create_btree_node_handler(block_manager::ptr bm) {
|
||||
return create_block_handler(bm, create_btree_node_dumper<ShowTraits>());
|
||||
}
|
||||
|
||||
dbg::command::ptr
|
||||
create_index_block_handler(block_manager::ptr bm) {
|
||||
return create_block_handler(bm, create_index_block_dumper());
|
||||
}
|
||||
|
||||
int debug_(string const &path) {
|
||||
using dbg::command;
|
||||
|
||||
try {
|
||||
block_manager::ptr bm = open_bm(path, block_manager::READ_ONLY, 1);
|
||||
metadata::ptr md(new metadata(bm, false));
|
||||
command_interpreter::ptr interp = create_command_interpreter(cin, cout);
|
||||
interp->register_command("hello", command::ptr(new hello));
|
||||
interp->register_command("superblock", command::ptr(new show_superblock(md)));
|
||||
interp->register_command("m1_node", command::ptr(new show_btree_node<uint64_show_traits>(md)));
|
||||
interp->register_command("m2_node", command::ptr(new show_btree_node<block_show_traits>(md)));
|
||||
interp->register_command("detail_node", command::ptr(new show_btree_node<device_details_show_traits>(md)));
|
||||
interp->register_command("index_block", command::ptr(new show_index_block(md)));
|
||||
interp->register_command("index_node", command::ptr(new show_btree_node<index_entry_show_traits>(md)));
|
||||
interp->register_command("hello", create_hello_handler());
|
||||
interp->register_command("superblock", command::ptr(new show_superblock(bm)));
|
||||
interp->register_command("m1_node", create_btree_node_handler<uint64_show_traits>(bm));
|
||||
interp->register_command("m2_node", create_btree_node_handler<block_show_traits>(bm));
|
||||
interp->register_command("detail_node", create_btree_node_handler<device_details_show_traits>(bm));
|
||||
interp->register_command("index_block", create_index_block_handler(bm));
|
||||
interp->register_command("index_node", create_btree_node_handler<index_entry_show_traits>(bm));
|
||||
interp->register_command("help", command::ptr(new help));
|
||||
interp->register_command("exit", command::ptr(new exit_handler(interp)));
|
||||
interp->register_command("exit", create_exit_handler(interp));
|
||||
interp->enter_main_loop();
|
||||
|
||||
} catch (std::exception &e) {
|
||||
|
|
@ -329,10 +199,8 @@ thin_debug_cmd::run(int argc, char **argv)
|
|||
const struct option longopts[] = {
|
||||
{ "help", no_argument, NULL, 'h'},
|
||||
{ "version", no_argument, NULL, 'V'},
|
||||
{ "ignore-metadata-sm", no_argument, NULL, 1},
|
||||
{ NULL, no_argument, NULL, 0 }
|
||||
};
|
||||
bool ignore_metadata_sm = false;
|
||||
|
||||
while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
|
||||
switch(c) {
|
||||
|
|
@ -343,10 +211,6 @@ thin_debug_cmd::run(int argc, char **argv)
|
|||
case 'V':
|
||||
cerr << THIN_PROVISIONING_TOOLS_VERSION << endl;
|
||||
return 0;
|
||||
|
||||
case 1:
|
||||
ignore_metadata_sm = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -355,5 +219,5 @@ thin_debug_cmd::run(int argc, char **argv)
|
|||
exit(1);
|
||||
}
|
||||
|
||||
return debug_(argv[optind], ignore_metadata_sm);
|
||||
return debug_(argv[optind]);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue